Syncfusion ASP.NET Core Smart TextArea

Overview

• AI-Powered Completions: Intelligent sentence and text suggestions using OpenAI, Azure OpenAI, Ollama, or custom backends
• Multiple Suggestion Modes: Inline pop-up or integrated display options for AI suggestions
• User Role Configuration: Role-based suggestion behavior (student, writer, developer, etc.)
• Custom Phrases: Predefined phrase suggestions based on user context and preferences
• Full TextArea Features: Floating labels, validation, RTL support, accessibility compliance
• Tag Helper Support: Native ASP.NET Core TagHelper integration for Razor Pages and MVC
• Event System: Suggestion selection, value change, focus, and blur events

When to Use This Skill

• Implement AI-powered text completion in ASP.NET Core applications
• Configure OpenAI or Azure OpenAI for Smart TextArea functionality
• Set up Ollama or custom AI inference services
• Customize suggestion display modes (inline vs popup)
• Configure user roles and custom phrases for context-aware suggestions
• Implement custom inference backends for proprietary AI models
• Add intelligent text authoring features to multi-line text inputs
• Integrate Smart TextArea into forms and content editors

Component Overview

• Real-time AI sentence completion suggestions
• Inline and popup suggestion display modes
• Role-based suggestion intelligence (Student, Writer, Developer, Custom)
• Predefined custom phrases and snippets
• Full TextArea control feature inheritance
• Support for multiple languages and RTL layouts
• Event-driven suggestion handling
• Accessibility and keyboard navigation support

• Placeholder

  - Default hint text

• Value

  - Current textarea content

• OpenAIKey

  /

  AzureEndpoint

  /

  OllamaUrl

  - AI service configuration

• SuggestionMode

  - 'Inline' or 'Popup' suggestion display

• UserRole

  - Role context (Student, Writer, Developer, Custom)

• UserPhrases

  - Custom phrase suggestions

• ActionComplete

  - Event when suggestion is applied

• Change

  - Event when content changes

• Rows

  /

  Cols

  - Textarea dimensions

• ReadOnly

  - Read-only state

Documentation Navigation

Getting Started

• Prerequisites and system requirements
• Installing Syncfusion.EJ2.AspNet.Core NuGet package
• Configuring AI services (OpenAI, Azure OpenAI, Ollama)
• Project setup with Razor Pages and MVC
• Tag helper registration and configuration
• CDN stylesheet and script setup
• Creating your first Smart TextArea implementation
• Basic form integration with AI completions

Features and Capabilities

• Core Smart TextArea features and properties
• Standard TextArea feature inheritance (floating labels, validation)
• User role configuration (Student, Writer, Developer, Custom)
• Suggestion display and interaction patterns
• Event handling and callbacks
• Multi-language and RTL support
• Accessibility features and keyboard navigation
• Form submission and value management

Customization

• Suggestion display mode configuration (inline vs popup)
• User role and context configuration
• Custom phrases and snippet configuration
• TextArea appearance and styling options
• Placeholder text and label customization
• Size and dimension configuration
• Event handling and completion callbacks
• Theme and CSS class customization

Custom Inference Backend

• IChatInferenceService interface implementation
• Custom AI provider integration
• Service registration in dependency injection
• Request/response format specifications
• Expected completion format and response structure
• Handling complex inference scenarios
• Testing and debugging custom backends
• Performance optimization strategies